darlene, the pretty texas homecoming queen, marries keith, the baseball star. but this fairy-tale couple did not have a happy ending. take a look. on the surface, darlene gentry had the perfect life-- a beautiful, young, happily-married mother of three. but that all changed in 2005 when her husband keith was murdered, shot in the head in the family home. though most of the family gun collection-- allegedly stolen by a burglar-- lay neatly on the front lawn, one gun-- a smaller pistol and presumed murder weapon-- was missing. that pistol would eventually, literally, be the smoking gun to lead investigators to the true killer. police quickly honed in on darlene as the prime suspect, suggesting recent marital problems and a life insurance policy in keith's name for $750,000 as motive. but the piece of evidence that helped secure a guilty verdict was this surveillance video of the former homecoming queen fishing for the murder weapon she had previously thrown into the pond. in 2007, then 34-year-old darlene gentry was convicted of first-degree murder and sentenced